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CM494CS 数据表(PDF) 5 Page - List of Unclassifed Manufacturers

部件名 CM494CS
功能描述  ADVANCED REGULATING PULSE WIDTH MODULATOR
PDF  9 Pages
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制造商  ETC [List of Unclassifed Manufacturers]
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标志 ETC - List of Unclassifed Manufacturers

CM494CS 数据表(HTML) 5 Page - List of Unclassifed Manufacturers

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CM494
ADVANCED REGULATING PULSE WIDTH MODULATOR
2000/12/29
Preliminary
Champion Microelectronic Corporation
Page 4
ELECTRICAL CHARACTERISTICS: Unless otherwise stated, over recommended operating free-air
temperature range. Vcc = 15V, f = 10Khz, TA=TJ.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Reference Section
Output voltage VREF
lo = 1mA, TA= 25℃
4.75
5
5.25
V
Input regulation
Vcc = 7V to 40V
2
25
mV
Output regulation
lo = 1mA to 10mA
1
15
mV
Output voltage over temperature
ΔTA= Min. to Max
4.90
5.10
V
Short circuit output current
VREF = 0, TA= 25℃
10
35
50
mA
Oscillator Section
Frequency (Note 2)
CT = 0.01µF, RT = 12Ω
10
kHz
Standard deviation of frequency (Note 3)
All values of Vcc, CT, RT, TA
10
%
Frequency change with voltage
Vcc = 7V to 40V, TA= 25℃
0.1
%
Frequency change with temperature
CT = 0.01µF, RT = 12kΩ, ΔTA= Min. to Max
2
%
Deadtime Control Section (Output control connected to VREF )
Input bias current (Pin 4)
V (PIN 4) = 0V to 5.25V
-2
-10
µA
Maximum duty-cycle (each output)
V (PIN 4) = 0V
45
%
Deadtime control Section (cont.) （Output control connected to VREF）
Zero duty-cycle
3
3.3
V
Input threshold voltage (Pin 4)
Maximum duty-cycle
0
V
Amplifier Section
Input offset voltage
Vo (PIN 3) = 2.5V
2
10
mV
Input offset current
Vo (PIN 3) = 2.5V
25
250
nA
Input bias current
Vo (PIN 3) = 2.5V
-0.2
-1
µA
Common-mode input voltage range
Vcc = 7V to 40V
.03 to
Vcc -2
V
Open loop voltage gain
ΔVo = 3V, Vo = 0.5V to 3.5V
70
95
dB
Unity gain bandwidth
800
kHz
Common-mode rejection ratio
Vcc = 40V, TA = 25℃
65
80
dB
Output sink current (Pin 3)
VID = -15mV to –5V, V (Pin 3) = 3.5V
0.3
0.7
mA
Output Source current (Pin 3)
VID = -15mV to 5V, V (Pin 3) = 3.5V
-2
mA



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